Re: [PATCH v3 16/51] x86/32: put real return address on stack in entry code

[H. Peter Anvin]

On 08/15/16 08:09, Josh Poimboeuf wrote:
> On Sun, Aug 14, 2016 at 12:31:47AM -0700, Andy Lutomirski wrote:
>> On Fri, Aug 12, 2016 at 7:28 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
>>> This standardizes the stacks of idle tasks to be consistent with other
>>> tasks on 32-bit.
>>
>> It might be nice to stick a ud2 or 1: hlt; jmp 1b or similar
>> afterwards to make it clear that initial_code can't return.
> 
> Yeah, I'll do something like that.
> 

"Standardizing the stack" how?  A zero on the stack terminates the stack
trace.

	-hpa